P-K DURATION® Indirect Domestic Hot Water System

P-K DURATION® domestic water heating systems are specifically designed to help prevent scale build-up.

Scale is a domestic hot water heating system’s worst enemy. The build-up of scale can reduce the efficiency of a heating system. If allowed to accumulate over time, the scale build-up could ultimately result in premature system failure. For these reasons, preventing scale is critical to maintaining optimal system efficiency and ensuring energy savings.

The DURATION® III is a fully packaged, water-to-water indirect domestic hot water system. Engineered to complement any condensing source, the DURATION® III offers a low cost of ownership through simplicity, high efficiency, durability, and ease of installation.

Indirect water heaters combined with a high-efficiency boiler provide an efficient, economical method of heating water.

Models: D3-30, D3-50, D3-80

Available in Instantaneous, Pumped, or Base Versions

Features

• Recovery Rates (40°F – 140°F) — 0 – 85 GPM Domestic Water Demand
• High-quality stainless steel brazed plate heat exchanger
• Specifically engineered to complement any condensing source
• Compact footprint is less than 5.5 ft2

Advantages

• Easy integration with BAS software via integrated Modbus RS-485 protocol
• Requires four water connections
  • Two connections for DHW inlet/outlet
  • Two connections for boiler water inlet/outlet
• Requires one power connection
  • A single 110V electrical power supply connection
• Pumped Versions (D3-44P/D3-44PE and D3-88P/D3- 88PE) designed to operate seamlessly with NURO touch screen control
• Models can be placed side-by-side in a multi-unit installation